Home / 31,185.96-43,037.52-17,039.70

Finding the Fourth Proportional to 31,185.96, 43,037.52 and 17,039.70

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Solution

The fourth proportional to 31,185.96, 43,037.52 and 17,039.70 is: 23,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.96 : 43,037.52 = 17,039.70 : x
  2. Step 2: Convert to fraction form
    31,185.96/43,037.52 = 17,039.70/x
  3. Step 3: Cross multiply
    31,185.96x = 43,037.52 × 17,039.70
  4. Step 4: Simplify right side
    31,185.96x = 733,346,429.54
  5. Step 5: Solve for x
    x = 733,346,429.54/31,185.96
  6. Step 6: Final answer
    x = 23,515.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.